33×13-99的简便运算怎么算
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![33×13-99的简便运算怎么算](/uploads/image/z/52773-69-3.jpg?t=33%C3%9713-99%E7%9A%84%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E6%80%8E%E4%B9%88%E7%AE%97)
33×13-99的简便运算怎么算
33×13-99的简便运算怎么算
33×13-99的简便运算怎么算
33×13-99
=33×13-33×3
=33×(13-3)
=33×10
=330
33×13-99的简便运算怎么算
= 3x11x13 - 9 x11
= 39 x11 - 9x 11
= (39-9) x 11
= 30 x 11
= 330
33*13-33*3=33*10=330
33×13-99
=33×13-33×3
=33×(13-3)
=33×10
=330
33×13-99
=33*13-33*3
=33*(13-3)
=330
33X(10+3)-99
330+99-99=330